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Recently I got a few emails complaining about the battery drain issue after iOS 4.3.5 upgrade. Personally I also experienced the issue a couple days ago.

My wife accidentally upgraded the iOS while syncing her iPhone with iTunes. That’s fine as she doesn’t need jailbreaking. However, after the upgrade, the battery drained so quickly that she needed to recharge it after half-day use. It’s just normal usage – a few phone calls, couple email checks and some web browsing. The battery life even decreased quite significantly while the iPhone is just in sleep mode.

Apple has just released the iOS 4.3.2 update for the iPhone, iPad and iPod Touch. Also, an iOS 4.2.7 Update has been released for the Verizon iPhone.

This is a minor update and according to Apple, it aims at fixing the frozen video bug during FaceTime calls and also the issues faced by International iPad users while using it on 3G networks. Other than that there are some security updates.

Of course, if you rely on a software based unlock for your iPhone 4 you should stay away from the stock iOS 4.3.2 firmware and wait for the Dev-Team to release a tool that allows safe upgrading.

Also, there is no untethered jailbreak available yet. So, only if you don’t care about an unlock or jailbreak should you leap ahead and update your iOS device to iOS 4.3.2.

The iOS 4.2 is finally here. According to Apple, the iOS 4.2 for iPhone, iPad and iPod touch will be available for download via iTunes at 10 AM Pacific, or 1 PM Eastern today.

This update is imminent for iPad users. It brings over 100 new features, which are already available on iPhone, to iPad including Multitasking, Folders, Unified Inbox, Game Center. On top of that, two new features called AirPlay and AirPrint are added to all iOS devices.

New Features: AirPlay and AirPrint

AirPlay lets you stream digital media (including video and music) wirelessly from your iPhone, iPad, and iPod touch to your Apple TV and AirPlay-enabled speakers. With Airplay, you can easily watch movies and photos on your widescreen TV, as well as, play music through the speakers in your home.

When you think your iPhone is protected from unauthorized access after setting the passcode, think again. Folks at MacForums discovered a security flaw in iOS 4.1 that allows users to bypass the passcode screen, access the phone contacts and even make calls.

I think I just found a security flaw in ios 4.1.

When you iPhone is locked with a passcode tap Emergency Call, then enter a non-emergency number such as ###. Next tap the call button and immediately hit the lock button. It should open up the Phone app where you can see all your contacts, call any number, etc.

I have successfully replicated the security bug on my iPhone 4. It’s fairly easy to do so. Once I bypassed the passcode screen, I was able to access the contacts and make calls. As I was allowed to edit the contact, it is possible to access the photo album and open up the Camera app to take picture. I could even launch the Mail app (via the “Share Contact” button) to send email to any recipient.

When I first got my iPad, other than the gorgeous screen and improved CPU performance, the switch on the side of the iPad for locking screen rotation is another notable feature. It’s a minor feature but very handy to lock the screen orientation to portrait mode.

With the upcoming release of iOS 4.2 for iPad, the screen-orientation lock switch will become history.

As reported by 9to5Mac, Apple has confirmed the switch would be transformed into a mute switch, same as that on iPhone. Here is the confirmation they got from Steve Jobs, Apple’s CEO:

Today, another iPhone hacker, iH8sn0w, released the Sn0wbreeze 2.0 for jailbreaking iOS 4.1 and it’s for Windows users.

If you’re fairly new to jailbreaking, you may not heard of Sn0wbreeze. The jailbreak tool is very similar to PwnageTool developed by the iPhone Dev team. While PwnageTool is solely for Mac, Sn0wbreeze is designed for Windows only. Like PwnageTool, Sn0wbreeze allows iPhone users to create custom iOS firmware so that it can be used for jailbreaking.

I know some of you are desperately awaiting the release of jailbreak tool for iOS 4.1. Here is a good news. Not long ago, the infamous iPhone Dev team has announced the beta version of Redsn0w 0.9.6, that can be used to jailbreak iOS 4.1. As of now, the tool can only work on iPhone 3G and iPod touch (2nd generation) only. But it is expected the team will extend the support to other devices such as iPhone 3GS.

For those with jailbreaking background, redsn0w shouldn’t be new to you. Redsn0w is one of the easiest jailbreak tools for jailbreaking iPhone and iPod touch on various version of iOS.

The latest version of Redsn0w adds the jailbreak support for both iOS 4.0 and 4.1. As mentioned by the team, it uses the same pwnage2 DFU-mode exploit that have been using since the firmware 2.x days. It does not include the SHAtter exploit developed by pod2g yet.

Today, Apple released the beta version of iOS 4.2 in its developer portal. The beta release is now available for iPhone, iPod touch and iPad developers to download.

According to Apple’s release note, the highlight of the beta version is the support of wireless printing (known as AirPrint) on all devices. AirPrint automatically finds printers on local networks and can print text, photos and graphics to them wirelessly over Wi-Fi without the need to install drivers or download software. Apple targets to support a wide range of printers from entry level inkjet printers to office laser printers. However, not all printers are supported when it is first released. HP’s existing and upcoming ePrint enabled printers will be the first to support printing direct from iOS devices.

This is a guest post by one of our readers named Ray661. Earlier, we reported that a new exploit was found in iOS 4.1 that can be utilized for jailbreaking. In this post, Ray661 will further explain to us why this exploit is so imminent for jailbreaking.

A member of Chronic Dev has found an amazing exploit to jailbreak our iOS devices. What makes this exploit so amazing? That iPhone 4 in your hand right now, can be jailbroken for life.

Now don’t get me wrong, this does NOT mean that your device can’t be locked back into jail. It simply means that instead of waiting months for discovering a new exploit for jailbreaking your device, you just have to wait for a few days for this same exploit to be ported to the latest firmware. Why? It’s an exploit found in the bootrom, which can ONLY be updated by completely changing the chips out. Yea, that’s right. Firmware updates can’t fix the exploit. I should stress this point though, THIS DOES NOT MEAN TO UPDATE YOUR PHONE WHENEVER AN UPDATE IS RELEASED!

Just few hours after Apple released the iOS 4.1 on Wednesday, I launched my iTunes and started to upgrade my iPhone 4 to the new iOS. Like what I did before, I used to do a complete restore to upgrade my iPhone. Everything went really well. With years of experience of upgrading iPhone, I did not expect any usual thing will happen.

But life is full of surprises. Unexpectedly, iTunes showed me an error right after the restoration process completed:

The iPhone “Simon” could not be restored. An unknown error occurred (1004)